Modified app to use ui_ and server_, and not set port and host

app.R

@@ -1,5 +1,5 @@
 source("misc.R")
-source("UI.R")
-source("server.R")
+source("UI_.R")
+source("server_.R")
 
-shinyApp(ui, server, options = list(host = "0.0.0.0", port = 4377))
+shinyApp(ui, server) # options = list(host = "0.0.0.0", port = 4377))